What is the operating temperature range?

The iButton can function in a working temperature range of -40 to +85 degrees Celsius.

Is OEM/ODM service available?

Yes, both OEM and ODM services are available. The company has 4 R&D engineers and various production machines to support custom manufacturing.

1 Wire Magnetic TM1990 Ds1990 iButton Key Probe

Name: 1 Wire Magnetic TM1990 Ds1990 iButton Key Probe
Brand: JingZhou SynTek Smart Technology Co., Ltd.
SKU: 2032609045

Hunan, ChinaJingZhou SynTek Smart Technology Co., Ltd.

US$1.80-2.50

10 Pieces

Sample price:US$2.50/piece.Request sample

Product profile

Customization

Available

Material

ABS Plastic+Chrome-Plated Copper

Color

Black

iButton Chip

TM1990A-F5/Ds1990A-F5/RW1990/RW2004/TM01A

Craft

Laser Engrave Code/Logo

Lead Time

7 Working Days

Transport Package

Package: 100PCS/Bag, 5000PCS/CTN Weight: 5000PCS/2

Specification

16.25mm*5.89mm

Trademark

OEM

Origin

Shenzhen

HS Code

8523521000

Production Capacity

50000pieces/Day

Key features

Unique 64-bit Code: Each key has a unique 64-bit code with 4 billion combinations, ensuring 100% uniqueness and preventing guessing.

High Security Access: Code cannot be overwritten or magnetized. Checks internal memory for access rights before unlocking doors.

Cost-Effective Management: Significantly reduces the cost of programming large numbers of keys for staff compared to traditional methods.

Wide Temperature Range: Operates reliably in working temperatures ranging from -40 to +85 degrees Celsius.

Customizable Options: Colors (Red, Green, Blue, Yellow, Black) and Laser Engraving Code/Logo are available for customization.

Multiple Chip Options: Available with TM1990A-F5, RW2004, RW1990, and TM01A chips to suit different application needs.

Company profile

JingZhou SynTek Smart Technology Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2019-04-29 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤4.02h CertifiedTerms of Payment: T/T, PayPal, Western Union

AI-Powered supplier vetting

SummaryJingZhou SynTek Smart Technology Co., Ltd. is a China-based limited company and factory established in 2017, focused on RFID cards, tags, labels, blocking cards, key fobs, smart cards, and related products. The supplier reports 182 employees, five production lines, 11–20 quality-control staff, four years of R&D-engineer experience, and peak- and off-season lead times within 15 workdays. It offers custom functions, shapes, and materials, maintains its own mold production line, and states that it can develop readers and chips. Export activity began in 2019, with 71%–90% of sales reportedly from exports and Europe identified as a primary market. The evidence supports manufacturing, product development, customization, and international sales capabilities. However, no formal certification, detailed after-sales process, or independently verifiable customer references are provided. Financial information is not assessed.

Supplier typeThe supplier is identified as a factory/manufacturer in the manufacturing industry and operates as a limited company established in China. Its stated product scope centers on RFID cards, tags, labels, blocking cards, key fobs, and smart cards, indicating a specialized RFID-related manufacturing supplier.

After-Sales capabilityThe supplier states that it provides technical consulting, support, professional technician assistance, and customer service. These statements indicate an available support orientation, but no detailed after-sales workflow, warranty terms, response standards, or service performance evidence is provided.

R&D capabilitySynTek reports its own mold production line, capability to develop readers and chips, R&D and manufacturing of RFID products, and research into blocking key cases and phone cases beginning in 2017. The supplier is also associated with high-tech and technology-based enterprise classifications, supporting an innovation capability assessment.

Production capacityThe supplier reports five professional production lines, 11–20 quality-control staff, peak-season and off-season fulfillment within 15 workdays, and a monthly output of approximately 400,000 TM tags for the Russia market. It also describes manufacturing across multiple RFID and blocking-product categories, providing explicit evidence of production capacity and operational breadth.

Customization capabilityThe supplier explicitly offers customized tags and labels by function, shape, and material, and states that it can design products in different quantities and sizes. Its own mold production line further supports the stated ability to develop customized product forms.

Client casesThe supplier states that it has been a leading blocking-card supplier to the Europe market during the past three years and the biggest TM-tag supplier to the Russia market, with reported monthly output of approximately 400,000 pieces. These are supplier-reported market examples, but no named customers, contracts, or independently verifiable case studies are provided.

Product Q&A

Q:Is the iButton code unique and secure?

Yes, each TM1990A-F5 key has a unique 64-bit code with approximately 4 billion combinations. The code is assigned during production and cannot be overwritten, making the chance of guessing the key practically zero.

Q:What chips are available for this iButton?

The product is available with several chip options including TM1990A-F5, RW2004, RW1990, and TM01A.

Q:Can I customize the color or add a logo?

Yes, customization is available. You can choose from colors like Red, Green, Blue, Yellow, and Black. Additionally, laser engraving for codes or logos is supported.

Q:What is the lead time for production?

The standard lead time is 7 working days. For peak and off-peak seasons, the average lead time is within 15 workdays.

Q:What are the payment terms?

We accept T/T, PayPal, and Western Union as terms of payment.